diff --git a/src/evalfunc.c b/src/evalfunc.c
index cf1e265..7bc4f05 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -270,6 +270,11 @@
     return &t_any;
 }
     static type_T *
+ret_bool(int argcount UNUSED, type_T **argtypes UNUSED)
+{
+    return &t_bool;
+}
+    static type_T *
 ret_number(int argcount UNUSED, type_T **argtypes UNUSED)
 {
     return &t_number;
@@ -793,8 +798,8 @@
     {"popup_close",	1, 2, FEARG_1,	  ret_void,	PROP_FUNC(f_popup_close)},
     {"popup_create",	2, 2, FEARG_1,	  ret_number,	PROP_FUNC(f_popup_create)},
     {"popup_dialog",	2, 2, FEARG_1,	  ret_number,	PROP_FUNC(f_popup_dialog)},
-    {"popup_filter_menu", 2, 2, 0,	  ret_number,	PROP_FUNC(f_popup_filter_menu)},
-    {"popup_filter_yesno", 2, 2, 0,	  ret_number,	PROP_FUNC(f_popup_filter_yesno)},
+    {"popup_filter_menu", 2, 2, 0,	  ret_bool,	PROP_FUNC(f_popup_filter_menu)},
+    {"popup_filter_yesno", 2, 2, 0,	  ret_bool,	PROP_FUNC(f_popup_filter_yesno)},
     {"popup_findinfo",	0, 0, 0,	  ret_number,	PROP_FUNC(f_popup_findinfo)},
     {"popup_findpreview", 0, 0, 0,	  ret_number,	PROP_FUNC(f_popup_findpreview)},
     {"popup_getoptions", 1, 1, FEARG_1,	  ret_dict_any,	PROP_FUNC(f_popup_getoptions)},
diff --git a/src/popupwin.c b/src/popupwin.c
index 777e7d8..2868a9d 100644
--- a/src/popupwin.c
+++ b/src/popupwin.c
@@ -2375,7 +2375,8 @@
 	c = TO_SPECIAL(key[1], key[2]);
 
     // consume all keys until done
-    rettv->vval.v_number = 1;
+    rettv->v_type = VAR_BOOL;
+    rettv->vval.v_number = VVAL_TRUE;
     res.v_type = VAR_NUMBER;
 
     old_lnum = wp->w_cursor.lnum;
@@ -2429,7 +2430,8 @@
 	c = TO_SPECIAL(key[1], key[2]);
 
     // consume all keys until done
-    rettv->vval.v_number = 1;
+    rettv->v_type = VAR_BOOL;
+    rettv->vval.v_number = VVAL_TRUE;
 
     if (c == 'y' || c == 'Y')
 	res.vval.v_number = 1;
diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index 6ff23e9..cc6af6a 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -94,6 +94,20 @@
                    'enddef'], 'E1095:')
 enddef
 
+def Test_return_bool()
+  var lines =<< trim END
+      vim9script
+      def MenuFilter(id: number, key: string): bool
+        return popup_filter_menu(id, key)
+      enddef
+      def YesnoFilter(id: number, key: string): bool
+        return popup_filter_yesno(id, key)
+      enddef
+      defcompile
+  END
+  CheckScriptSuccess(lines)
+enddef
+
 let s:nothing = 0
 def ReturnNothing()
   s:nothing = 1
diff --git a/src/version.c b/src/version.c
index 6ea39c0..cdecc3a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1858,
+/**/
     1857,
 /**/
     1856,